The Midlothian Athletic Club (MAC) is a locally owned and operated family fitness center located in Chesterfield County, Virginia, near Johnston Willis Hospital. Our amenities include: indoor tennis, outdoor tennis, tennis lessons and clinics, racquetball, pickleball, cafe, weight room, cardio machines, personal training, full program of group exercise classes featuring Les Mills programs and Spinning® indoor cycling, indoor pool, outdoor pool, water park, sauna, steam room, kids club.